| 普通话 | cmn-000 |
| 双线电路 | |
| Hànyǔ | cmn-003 | shuāng xiàn diàn lù |
| English | eng-000 | duplicate line |
| English | eng-000 | twin line |
| English | eng-000 | two wire circuit |
| English | eng-000 | two-wire circuit |
| English | eng-000 | two-wire system |
| ئۇيغۇرچە | uig-000 | قوش سىملىق توك يولى |
| Uyghurche | uig-001 | qosh simliq tok yoli |